It's been out long enough now that most everything should have the appropriate drivers now. I have a webcam and according to Logitechs' site, they said it wasn't going to be compatible with Vista and you'd have to upgrade. Low-and-behold there's a driver out now for that as well.

Receiver: Yamaha RX-V2200
Main: Axiom m80
CC: Axiom VP150
Surround: Axiom QS8
Sub: SVS PC13-Ultra